文献类型： 外文期刊
作者： Dan, Junhao 1 ; Long, Wuhua 1 ; Qiu, Mudan 3 ; Zhang, Longhui 4 ; Wu, Chaoxin 1 ; Jiang, Xue 1 ; Fang, Shengyan 1 ; Zhu, Susong 5 ; Deng, Huafeng 4 ;
作者机构： 1.Guizhou Acad Agr Sci, Guizhou Rice Res Inst, Guiyang 550006, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab Crop Genet Resources & Germp, Guiyang 550006, Peoples R China
3.Hunan Univ Arts & Sci, Coll Life & Environm Sci, Changde 415000, Peoples R China
4.Hunan Hybrid Rice Res Ctr, State Key Lab Hybrid Rice, Changsha 410125, Peoples R China
5.Guizhou Acad Agr Sci, Inst Crop Germplasm Resources, Guiyang 550006, Peoples R China
关键词： synthetic apomixis; hybrid rice breeding; polyembryony
期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：4.9； 五年影响因子：5.7 ）
ISSN： 1661-6596
年卷期： 2025 年 26 卷 15 期
页码：
收录情况： SCI
摘要： A typical seed of rice (Oryza sativa L.) gives rise to a single seedling. In contrast, seeds from multiple embryos may develop into two or more seedlings, one of which is generated via sexual reproduction, while the others are likely to originate through apomictic pathways. Therefore, the occurrence of multiple embryos is often considered a hallmark of apomixis in rice. Apomixis refers to an asexual reproductive strategy wherein unreduced gametes form through modified meiosis (apomeiosis) without fertilization, thereby generating clonal offspring generally genetically identical to the maternal plant. This process is of great relevance in fixing heterosis in hybrid rice breeding. This review discusses the origin, frequency, genetic regulation, and candidate genes related to multiple embryos in rice and provides a systematic summary of the latest research advances in rice apomixis. The insights presented in this study provide a theoretical foundation for the application of apomixis in rice breeding.
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